Fetch stack state from terraform remote(azure) without local config file

Question

I am using cdktf in Python and maintaining multiple stacks using Terraform and the states are being stored in azure storage account as backend. I would need to fetch any stack at any point in time and make changes to the resources in the stack. However, I do not maintain the state locally. How can I fetch the state from azure backend and then make changes to the resources in the stack?

Answer 1

If I get you correctly you want to configure the backend to use Azure. In Terraform CDK this is done via constructs, there is a AzurermBackend you can use.

This is the example from the CDKTF repo

import { Construct } from "constructs";
import { App, TerraformStack, AzurermBackend } from "cdktf";

class MyStack extends TerraformStack {
  constructor(scope: Construct, name: string) {
    super(scope, name);


    // Azurerm Backend - https://www.terraform.io/docs/backends/types/azurerm.html
    new AzurermBackend(this, {
      resourceGroupName: "StorageAccount-ResourceGroup",
      storageAccountName: "abcd1234",
      containerName: "tfstate",
      key: "prod.terraform.tfstate",
    });

    // define resources here
  }
}

const app = new App();
new MyStack(app, "typescript-backends");
app.synth();

Once you have this configured, every cdktf deploy or cdktf destroy will run using this backend.